The upper blade of these 360-degree swivel grass shears offered by Winland is made of middle carbon SK5 steel with non-stick coating and the lower blade is made of middle carbon SK5 steel with chrome plating. The shears have a comfortable and ergonomic design handle with bottom base for moving smoothly and easily on the lawn, according to the manufacturer. The product has 360-degree swivel blades with twelve cutting positions and the user can switch the head smoothly without touching the blade. https://winland.imb2b.com/